/**
* jQuery extension for PHP-equiv sprintf().
*
* This is the development version of the code.
* Which ultimately produces `jquery.sprintf-min.js`.
*
* Based on: {@link http://phpjs.org/functions/sprintf:522} see: {@link http://phpjs.org/pages/license}
* 	Modified to work via: `$.sprintf()` using jQuery.
*
* Distributed with WordPress® themes/plugins by WebSharks, Inc.
*
* Copyright: © 2009-2011
* {@link http://www.websharks-inc.com/ WebSharks, Inc.}
* ( coded in the USA )
*
* Released under the terms of the GNU General Public License.
* You should have received a copy of the GNU General Public License,
* along with this software. In the main directory, see: /licensing/
* If not, see: {@link http://www.gnu.org/licenses/}.
*
* @package WebSharks\jQuery\Extensions
* @since x.xx
*/
(function($)
	{
		if (typeof $.sprintf !== 'function')
			{
				$.sprintf = function () {
				    // http://kevin.vanzonneveld.net
				    // +   original by: Ash Searle (http://hexmen.com/blog/)
				    // + namespaced by: Michael White (http://getsprink.com)
				    // +    tweaked by: Jack
				    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
				    // +      input by: Paulo Freitas
				    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
				    // +      input by: Brett Zamir (http://brett-zamir.me)
				    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
				    // *     example 1: sprintf("%01.2f", 123.1);
				    // *     returns 1: 123.10
				    // *     example 2: sprintf("[%10s]", 'monkey');
				    // *     returns 2: '[    monkey]'
				    // *     example 3: sprintf("[%'#10s]", 'monkey');
				    // *     returns 3: '[####monkey]'
				    var regex = /%%|%(\d+\$)?([-+\'#0 ]*)(\*\d+\$|\*|\d+)?(\.(\*\d+\$|\*|\d+))?([scboxXuidfegEG])/g;
				    var a = arguments,
				        i = 0,
				        format = a[i++];
				
				    // pad()
				    var pad = function (str, len, chr, leftJustify) {
				        if (!chr) {
				            chr = ' ';
				        }
				        var padding = (str.length >= len) ? '' : Array(1 + len - str.length >>> 0).join(chr);
				        return leftJustify ? str + padding : padding + str;
				    };
				
				    // justify()
				    var justify = function (value, prefix, leftJustify, minWidth, zeroPad, customPadChar) {
				        var diff = minWidth - value.length;
				        if (diff > 0) {
				            if (leftJustify || !zeroPad) {
				                value = pad(value, minWidth, customPadChar, leftJustify);
				            } else {
				                value = value.slice(0, prefix.length) + pad('', diff, '0', true) + value.slice(prefix.length);
				            }
				        }
				        return value;
				    };
				
				    // formatBaseX()
				    var formatBaseX = function (value, base, prefix, leftJustify, minWidth, precision, zeroPad) {
				        // Note: casts negative numbers to positive ones
				        var number = value >>> 0;
				        prefix = prefix && number && {
				            '2': '0b',
				            '8': '0',
				            '16': '0x'
				        }[base] || '';
				        value = prefix + pad(number.toString(base), precision || 0, '0', false);
				        return justify(value, prefix, leftJustify, minWidth, zeroPad);
				    };
				
				    // formatString()
				    var formatString = function (value, leftJustify, minWidth, precision, zeroPad, customPadChar) {
				        if (precision != null) {
				            value = value.slice(0, precision);
				        }
				        return justify(value, '', leftJustify, minWidth, zeroPad, customPadChar);
				    };
				
				    // doFormat()
				    var doFormat = function (substring, valueIndex, flags, minWidth, _, precision, type) {
				        var number;
				        var prefix;
				        var method;
				        var textTransform;
				        var value;
				
				        if (substring == '%%') {
				            return '%';
				        }
				
				        // parse flags
				        var leftJustify = false,
				            positivePrefix = '',
				            zeroPad = false,
				            prefixBaseX = false,
				            customPadChar = ' ';
				        var flagsl = flags.length;
				        for (var j = 0; flags && j < flagsl; j++) {
				            switch (flags.charAt(j)) {
				            case ' ':
				                positivePrefix = ' ';
				                break;
				            case '+':
				                positivePrefix = '+';
				                break;
				            case '-':
				                leftJustify = true;
				                break;
				            case "'":
				                customPadChar = flags.charAt(j + 1);
				                break;
				            case '0':
				                zeroPad = true;
				                break;
				            case '#':
				                prefixBaseX = true;
				                break;
				            }
				        }
				
				        // parameters may be null, undefined, empty-string or real valued
				        // we want to ignore null, undefined and empty-string values
				        if (!minWidth) {
				            minWidth = 0;
				        } else if (minWidth == '*') {
				            minWidth = +a[i++];
				        } else if (minWidth.charAt(0) == '*') {
				            minWidth = +a[minWidth.slice(1, -1)];
				        } else {
				            minWidth = +minWidth;
				        }
				
				        // Note: undocumented perl feature:
				        if (minWidth < 0) {
				            minWidth = -minWidth;
				            leftJustify = true;
				        }
				
				        if (!isFinite(minWidth)) {
				            throw new Error('sprintf: (minimum-)width must be finite');
				        }
				
				        if (!precision) {
				            precision = 'fFeE'.indexOf(type) > -1 ? 6 : (type == 'd') ? 0 : undefined;
				        } else if (precision == '*') {
				            precision = +a[i++];
				        } else if (precision.charAt(0) == '*') {
				            precision = +a[precision.slice(1, -1)];
				        } else {
				            precision = +precision;
				        }
				
				        // grab value using valueIndex if required?
				        value = valueIndex ? a[valueIndex.slice(0, -1)] : a[i++];
				
				        switch (type) {
				        case 's':
				            return formatString(String(value), leftJustify, minWidth, precision, zeroPad, customPadChar);
				        case 'c':
				            return formatString(String.fromCharCode(+value), leftJustify, minWidth, precision, zeroPad);
				        case 'b':
				            return formatBaseX(value, 2, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
				        case 'o':
				            return formatBaseX(value, 8, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
				        case 'x':
				            return formatBaseX(value, 16, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
				        case 'X':
				            return formatBaseX(value, 16, prefixBaseX, leftJustify, minWidth, precision, zeroPad).toUpperCase();
				        case 'u':
				            return formatBaseX(value, 10, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
				        case 'i':
				        case 'd':
				            number = (+value) | 0;
				            prefix = number < 0 ? '-' : positivePrefix;
				            value = prefix + pad(String(Math.abs(number)), precision, '0', false);
				            return justify(value, prefix, leftJustify, minWidth, zeroPad);
				        case 'e':
				        case 'E':
				        case 'f':
				        case 'F':
				        case 'g':
				        case 'G':
				            number = +value;
				            prefix = number < 0 ? '-' : positivePrefix;
				            method = ['toExponential', 'toFixed', 'toPrecision']['efg'.indexOf(type.toLowerCase())];
				            textTransform = ['toString', 'toUpperCase']['eEfFgG'.indexOf(type) % 2];
				            value = prefix + Math.abs(number)[method](precision);
				            return justify(value, prefix, leftJustify, minWidth, zeroPad)[textTransform]();
				        default:
				            return substring;
				        }
				    };
				
				    return format.replace(regex, doFormat);
				};
			}
	})(jQuery);